Begin with the address in Island Lake
Island Lake (Census place 1737894) spans Lake and McHenry counties on the January 1, 2024 boundaries, so county records and tax offices depend on the exact address.
Waterfront questions appear in the local research; shoreline and drainage records attach to the specific parcel. The local questions below return most often to closing, permits and rentals.
Local requirements, with their limits visible
The 12 local questions below draw on official Island Lake and agency material checked on October 6, 2026; the sources do not establish parcel-specific compliance. Confirm the current requirements for closing and driveways with the responsible authority.
When preparing an offer or sale, confirm the current procedure, responsible party, required documents and timing for the exact property. Older documents, unreadable sources and conflicts require confirmation with the responsible office before relying on them.
- The ordinance index lists uncodified 2025/2026 amendments alongside older consolidated titles. Confirm whether the gravel-driveway provisions and any deadline currently apply to the property.
- Reported home value
- $262,500
- Monthly owner costs, with mortgage
- $1,951
ACS 2020–2024, municipality-wide medians in 2024 inflation-adjusted USD. Open-ended medians display a lower bound. These figures are not a current home valuation or a financing quote.
- Housing types
- The ACS estimates 3,073 housing units in Island Lake. Largest structure categories: 1 unit, detached: 2,346 (± 192), about 76%; 1 unit, attached: 623 (± 136), about 20%; 5–9 units: 43 (± 34), about 1%. Source 1
- Construction periods
- Of 3,073 estimated units, the largest construction periods are 1990 to 1999: 1,037 (± 155), about 34%; 1980 to 1989: 618 (± 137), about 20%; 2000 to 2009: 414 (± 185), about 13%; about 6% were built in 1939 or earlier. Source 1
- Reported home value
- The median value reported for owner-occupied units in Island Lake is $262,500 (± $18,165), in 2024 inflation-adjusted dollars. Source 1 · Source 2
THE HOMES BEHIND THE NUMBERS
Explore Island Lake’s housing stock.
Look at the estimated mix of buildings and construction periods, then use it to shape your property research.
ACS 2020–2024 · Estimated housing units · Tap or focus a row to inspect it.
Select a row for its estimate and uncertainty. A municipality-wide distribution does not describe every individual property.
Read both housing distributions as tables
| Category | Estimated units | Margin of error, units | Share, point estimate |
|---|---|---|---|
| 1 unit, detached | 2,346 | 192 | 76.3% |
| 1 unit, attached | 623 | 136 | 20.3% |
| 2 units | 0 | 18 | 0.0% |
| 3–4 units | 21 | 22 | 0.7% |
| 5–9 units | 43 | 34 | 1.4% |
| 10–19 units | 14 | 15 | 0.5% |
| 20–49 units | 0 | 18 | 0.0% |
| 50+ units | 0 | 18 | 0.0% |
| Mobile home | 26 | 41 | 0.8% |
| Boat, RV, van, etc. | 0 | 18 | 0.0% |
| Category | Estimated units | Margin of error, units | Share, point estimate |
|---|---|---|---|
| 2020 or later | 8 | 13 | 0.3% |
| 2010 to 2019 | 83 | 34 | 2.7% |
| 2000 to 2009 | 414 | 185 | 13.5% |
| 1990 to 1999 | 1,037 | 155 | 33.7% |
| 1980 to 1989 | 618 | 137 | 20.1% |
| 1970 to 1979 | 276 | 122 | 9.0% |
| 1960 to 1969 | 67 | 59 | 2.2% |
| 1950 to 1959 | 101 | 62 | 3.3% |
| 1940 to 1949 | 273 | 97 | 8.9% |
| 1939 or earlier | 196 | 92 | 6.4% |
Shares use the category estimate divided by its table total. Displayed margins of error apply to the unit counts; percentage uncertainty has not been derived. Read the original Census data · Data definitions.
YOUR QUESTIONS, ROOTED IN THE PLACE
Buying and selling in Island Lake.
12 local research questions
Choose the questions that fit your move. These controls narrow the reading links; every answer remains on this page.
12 reading links shown. Direct links always reach the full answer below.
Local research · Seller questions
What municipal preparation does Island Lake describe for a home sale?
Island Lake's closing guide says residential occupancy-transfer inspections and transfer stamps are not required under its stated policy, while asking sellers to coordinate final utility billing. Contact the Village with the transaction details and confirm current requirements. An absence of those procedures does not automatically clear the property's account balances.
Address-dependent research · Checked 2026-10-06 · Source 1
Local research · Buyers & sellers
Is Island Lake's final water bill the same as the sewer closing account?
Island Lake's seller guide identifies Northern Moraine Wastewater Reclamation District as the separate sewer authority. Ask the closing team to confirm the property's sewer account as well as any Village water balance. A receipt settling the Village bill should not be assumed to settle obligations with the wastewater district.
Address-dependent research · Checked 2026-10-06 · Source 1
Local research · Buyer questions
Could an Island Lake gravel driveway create a post-purchase obligation?
Island Lake's April 2025 seller guide flags a paving obligation for a new owner where a gravel driveway exists. Before purchasing, have the Village confirm the current rule, exceptions and completion date for the parcel. Include any paving work in negotiations rather than assuming existing gravel is permanently accepted.
Confirm current applicability · Checked 2026-10-06 · Source 1
Local research · Buyers & sellers
Can an older Island Lake refuse balance matter at closing?
Island Lake's seller guide lists outstanding Village garbage bills for service through December 2020, before LRS took over billing. Ask the Village for account status even if current refuse service is billed differently. A recent water statement or private-hauler payment does not necessarily show that a municipal balance was resolved.
Address-dependent research · Checked 2026-10-06 · Source 1
Local research · Buyer questions
Should an Island Lake waterfront buyer check permits for a dock or seawall?
Island Lake's January 2026 building guide specifically includes seawalls, docks and piers in its permit information. Obtain the existing approvals and describe any replacement or expansion to the Building Department before buying for that project. Waterfront location alone does not establish permission to change the shoreline or place a new structure.
Address-dependent research · Checked 2026-10-06 · Source 1
Local research · Buyer questions
What association document may accompany an Island Lake renovation application?
Island Lake's current building guide includes applicable homeowner-association approval with the project documentation. Buyers considering improvements should obtain the association's written requirements and review them alongside the Village submission. Municipal review and private approval address different obligations, so a contractor's drawing should not be treated as evidence that both processes are complete.
Address-dependent research · Checked 2026-10-06 · Source 1
Local research · Buyers & sellers
Which contractors should an Island Lake owner verify before permitted work?
Island Lake's building guide calls for contractors and subcontractors to be registered and to provide applicable insurance and licensing information. Ask each trade about its current Village registration before scheduling the project. A general contractor's registration should not be assumed to document every separate trade working on the home.
Address-dependent research · Checked 2026-10-06 · Source 1
Local research · Buyer questions
What should an Island Lake rental buyer arrange before a new tenant moves in?
Island Lake's August 2026 rental form describes registration and inspection before tenant move-in, with the property ready for occupancy. Confirm the incoming owner's and proposed tenancy's requirements with the Village before promising possession. A seller's prior rental history does not establish that the new tenant can move in without further municipal steps.
Address-dependent research · Checked 2026-10-06 · Source 1
Local research · Buyer questions
Why should an Island Lake rental buyer verify basement and bedroom details?
Island Lake's rental application records dwelling counts, floor area, bedrooms, bathrooms and basement or attic information. Compare that information with the actual property and approved use before underwriting rental income. A listing's room count should not substitute for the layout and occupancy information accepted through the Village's rental process.
Address-dependent research · Checked 2026-10-06 · Source 1
Local research · Seller questions
Which overlooked maintenance items appear on Island Lake's rental inspection form?
Island Lake's August 2026 form calls attention to dryer-duct cleaning documentation and secured sump covers among its inspection items. Sellers of rentals should review the complete current checklist and assemble the corresponding records before inspection. These items illustrate why a cosmetic walkthrough alone is not sufficient evidence of rental-program compliance.
Address-dependent research · Checked 2026-10-06 · Source 1
Local research · Buyer questions
Which Island Lake water records address the supply and the individual service line?
Island Lake's Water Department publishes annual water-quality reports and a separate lead-service-line inventory. Buyers should review the relevant report year and investigate the actual address in the inventory or with staff. A system-wide water report does not by itself identify the material or condition of the home's private plumbing.
Address-dependent research · Checked 2026-10-06 · Source 1
Local research · Buyer questions
Why should an Island Lake buyer check newer ordinances as well as the code PDF?
Island Lake's ordinance index says newly adopted ordinances appear separately before incorporation into the consolidated code. It lists newer building-code and fence amendments alongside an older Title 8 download. For a proposed improvement, ask staff to reconcile the relevant amendments; the date on a convenient code PDF may not reflect the operative rule.
Source-based explanation · Checked 2026-10-06 · Source 1
Sources and effective dates
Read the original guidance and use the version applicable to your property and transaction. Practical planning suggestions are distinguished from legal or program requirements.
- 2020–2024 ACS table B25024: Units in structure · U.S. Census Bureau
2024 ACS five-year release, covering 2020–2024. Estimates and 90% margins of error come from the official table-based Summary File. Not current sales or listing data.
Source checked · United States; Illinois municipalities - 2020–2024 ACS table B25034: Year structure built · U.S. Census Bureau
2024 ACS five-year release, covering 2020–2024. Estimates and 90% margins of error come from the official table-based Summary File. Not current sales or listing data.
Source checked · United States; Illinois municipalities - 2020–2024 ACS table B25077: Median value, owner-occupied housing units · U.S. Census Bureau
2024 ACS five-year release, covering 2020–2024. Estimates and 90% margins of error come from the official table-based Summary File. Not current sales or listing data.
Source checked · United States; Illinois municipalities - 2020–2024 ACS table B25088: Median selected monthly owner costs, by mortgage status · U.S. Census Bureau
2024 ACS five-year release, covering 2020–2024. Estimates and 90% margins of error come from the official table-based Summary File. Not current sales or listing data.
Source checked · United States; Illinois municipalities - 2024 TIGER/Line Shapefiles · U.S. Census Bureau
Legal boundaries and names are dated January 1, 2024. Full geometry determines the research county overlay; generalized display geometry cannot determine a parcel jurisdiction.
Source checked · United States; Illinois - 2024 TIGER/Line technical documentation · accuracy, citation and reuse
Issued September 2024. Sections 1.1–1.2 describe accuracy limitations, statistical boundary use, the registered trademark, citation and federal work reproduction.
Source checked · United States - 2024 ACS subject definitions · housing values and owner costs
2024 definitions and Appendix A document the survey universes, inflation adjustment and open-ended medians. A survey owner-cost measure is distinct from a visitor's current budget and maintenance reserve.
Source checked · United States - Change to condominium and HOA questions · U.S. Census Bureau
December 2025 note about the 2024 questionnaire: required HOA fees were added to the condominium-fee question. Use caution comparing selected monthly owner costs to pre-2024 data.
Source checked · United States - I Am Selling My House
Closing guide dated 25 April 2025; transaction applicability and current ordinance changes require confirmation.
Source checked · Island Lake, Illinois - Building Department Information
Guide revised January 2026; current project-specific code and amendments should be confirmed.
Source checked · Island Lake, Illinois - Rental Properties Registration and Inspection Form
Posted August 2026 form read 6 October 2026; individual licensing/inspection status requires confirmation.
Source checked · Island Lake, Illinois - Water Department
Official department resource page checked 6 October 2026; supply reports and service-line records have different scopes.
Source checked · Island Lake, Illinois - Ordinances and Resolutions
Index read 6 October 2026; consolidated Title 8 is June 2024, with later 2025 fence and 2026 building-code amendments separately listed.
Source checked · Island Lake, Illinois
Confirm current Falcon coverage for your exact property. This resource does not establish a service-area, school, legal-unit or parcel determination.